On Tue, Mar 26, 2024 at 9:38 AM shveta malik <shveta.ma...@gmail.com> wrote: > > On Mon, Mar 25, 2024 at 9:54 PM Bertrand Drouvot > <bertranddrouvot...@gmail.com> wrote: > > > > Hi, > > > > On Mon, Mar 25, 2024 at 07:32:11PM +0530, Amit Kapila wrote: > > > On Mon, Mar 25, 2024 at 6:57 PM Robert Haas <robertmh...@gmail.com> wrote: > > > > And I'm suspicious that having an exception for slots being synced is > > > > a bad idea. That makes too much of a judgement about how the user will > > > > use this field. It's usually better to just expose the data, and if > > > > the user needs helps to make sense of that data, then give them that > > > > help separately. > > > > > > The reason we didn't set this for sync slots is that they won't be > > > usable (one can't use them to decode WAL) unless standby is promoted > > > [2]. But I see your point as well. So, I have copied the others > > > involved in this discussion to see what they think. > > > > Yeah I also see Robert's point. If we also sync the "last inactive time" > > field then > > we would need to take care of the corner case mentioned by Shveta in [1] > > during > > promotion. > > I have suggested one potential solution for that in [1]. Please have a look. > > [1]: > https://www.postgresql.org/message-id/CAJpy0uB-yE%2BRiw7JQ4hW0%2BigJxvPc%2Brq%2B9c7WyTa1Jz7%2B2gAiA%40mail.gmail.com
I posted the v21 patch implementing the above idea in the other thread - https://www.postgresql.org/message-id/CALj2ACXRFx9g7A9RFJZF7eBe%3Dzxk7%3DapMRFuCgJJKYB7O%3Dvgwg%40mail.gmail.com. For ease, I'm also attaching the patch in here. -- Bharath Rupireddy PostgreSQL Contributors Team RDS Open Source Databases Amazon Web Services: https://aws.amazon.com
v21-0001-Fix-review-comments-for-slot-s-last_inactive_tim.patch
Description: Binary data